The Radiator Fan Does Not Run at All (But the A/C Condenser Fan and the A/C Compressor Run With the A/C on)

The radiator fan does not run at all (but the A/C condenser fan and the A/C compressor run with the A/C on)

Do the radiator fan circuit troubleshooting: open Radiator Fan Circuit Troubleshooting - Open, short Radiator Fan Circuit Troubleshooting - Short

Also check for

Powertrain DTCs Initial Inspection and Diagnostic Overview

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Faulty radiator fan motor

Also check for

Faulty radiator fan control (RFC) unit

Also check for

Poor or loose connections at the terminals